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11
iauses and Operator Prevention of Kickback:
rickback is a sudden reaction
to
a pinched, bound or misaligned saw blade,
ausing an uncontrolled saw
to
lift up and
out
of the workpiece toward the
Iperator.
Vhen the blade is pinched or bound tightly by the kerf closing down, the blade
tails and the motor reaction drives the unit rapidly back toward the operator.
f
the blade becomes twisted or misaligned in the cut, the teeth at the back
tdge of the blade can dig into the top surface of the wood causing the blade
D
climb
out
of the kerf and jump back toward operator.
rickback is the result of tool misuse and/or incorrect operating procedures
Y
conditions and can be avoided by taking proper precautions as given below.
naintain a firm grip
with
both hands on the saw and position your body and
rm to allow you to resist KICKBACK forces. KICKBACK forces can be
ontrolled by the operator, if proper precautions are taken.
Vhen blade is
binding,
or when interrupting a cut for any reason, release
he trigger and hold the saw motionless
in
the material
until
the blade comes
D
a complete stop. Never attempt to remove the saw from the work or
pull
he saw backward while the blade is
in
motion or KICKBACK may occur.
ivestigate and take corrective actions to eliminate the cause of blade binding.
Vhen restarting a saw
in
the workpiece, center the saw blade
in
th&
kerf
nd
check that saw teeth are not engaged into the material. If saw blade
;
binding,
it
may walk up or KICKBACK from the workpiece as the saw is
?started.
;upport large panels to minimize the risk of blade pinching and KICKBACK.
arge panels tend to sag under their own weight. Supports must be placed
nder the panel on both sides, near the line
of
cut and near the edge
of
the
anel as shown
in
Fig.
1.
o
minimize the risk
of
blade pinching and kickback. When cutting operation
?quires the resting of the saw on the work piece, the saw shall be rested
n
the larger portion and the smaller piece cut off.
-------I
To
avoid
kickback
do
support board
or
oanel near the cut.
1
I
from
the
cut.
Don't support board or panel away
I1
Fig.
1
Fig.
2
5